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Full text of "The manufacture and properties of iron and steel"

TABLE VIII-C. Distribution of Heat in Producer and Furnace Combined.
Per Ton of SteeL	Von Jiiptner.				Campbell.			
	Original.		Corrected (Richards).		Old Determination.		New Determination (Richards).	
	Amount (calories).	Per cent, oi total.	Amount (calories)	Per cent, o total.	Amount (calories)	Per cent. o. total.	Amount (calories)	Per cent, of total.
Coal'     rodu           unds			854 2,337,450 606,470 547,730 1,183,250		638 2,377,420 140,650 694,840 1,541,930		"   440 1,405,000 30,700 273,060 1,101,240	
Heat value of coal, kilogramme calories .......................... Producer practice 	..........			25.9 23.4 50.7		5.6 27.6 66.8		
								2.1 19.5 78.4
Heat generated in producer which is lost, i. e., not used in								
								
								
			2,337,450 1,183,250 169,560 69,930	100.0 83.2 11.9 4.9	2,377.420 1,541,930 143,000	100.0	1,405,000 1,101,240 ,155,000	100.0 87.6 12.4
Furnace practice 	1,252,080							
	169,560							
	225,430							
Total available heat for furnace ............................ Sensible heat of dry gases of theoretical combustion (chargeable) Sensible heat of steam of theoretical combustion (chargeable). .								
	1,647,070 392,500 169,170 124,320	23.8 10.3 7.6	1,422,740 258,530 38,080 116,830	100.0 18.0 2.7 7.7	1,684,930 210,530 24,670 10,790 58,590		1,256,240 213,220 29,100 86,860	100.0 17.0 2.3 6.9
						12.5 1.5 0.6 3.5		
								
								
	685,990 328,250 632,830	41.7 19.9 38.4	413,440 328,250 681,150	28.4 23.1 48.5	304,580 290,'000 1,090,350	18.1 17.2' 64.7	329,180 310,000 617,060	26.2 24.7 49.1
								
								
								
	1,647,070	100.0	1,422,840	100.0 13.5	1,684,930	100.0 11 5	1,256,240	100.0 20.0
Percentage of the total heating power of the coal and metalloids